CVE-2026-20064 MEDIUM

CVE-2026-20064

Vendor Cisco
Product Cisco Secure Firewall Threat Defense (FTD) Software
Weakness CWE-476
Published March 4, 2026
Last update March 4, 2026

CVSS base score

6.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

What the vulnerability does

01Description

A vulnerability in of Cisco Secure Firewall Threat Defense (FTD) Software could allow an authenticated, local attacker to cause the device to unexpectedly reload, causing a denial of service (DoS) condition. This vulnerability is due to improper validation of user-supplied input. An attacker with a low-privileged account could exploit this vulnerability by using crafted commands at the CLI prompt. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

Key dates

02Disclosure timeline

March 4, 2026 CVE published
March 4, 2026 Record updated